Technical data

SERVICING AND SPARES
6 720 648 547 (2012/06)36
2. Loosen any deposits in the heat exchanger from top to bottom using
the cleaning blade.
3. Clean the heat exchanger from top to bottom using the brush.
Refit the clean out cover plates in reverse order using a new seal (C)
and tighten screws.
6.1.3 TO CLEAN THE BURNER
1. Remove cover panel (A) by removing the screws (B).
Check that the boiler is completely isolated from the gas supply.
2. Remove the clips (C) and unscrew the two bolts (D).
Unscrew and remove the two hexagon screws (E) securing the fan.
Slacken fully the rear securing bolt (F).
Remove the burner cover plate (G).
3. Remove the burner (H) and clean components.
Do not use a wire brush.
6.1.4 TO CHECK THE DIAPHRAGM IN BURNER COVER
4. Carefully withdraw diaphragm (J) from fan intake tube and check for
soiling and splits.
Carefully refit diaphragm (J) the correct way round into the fan intake
tube.
Re-assemble the burner in the reverse order using a new seal (K).
2.
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3.
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AB
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B
1.
F
C
D
2.
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H
G
EE
3.
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